Carrier CRHEATER101A00 Installation Instructions Manual page 79

Accessory electric heater and single point box for small rooftop units with electric cooling and heat pump select 3 to 15 ton units
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Unit Control
HSCCR Fuse Box
Unit Disconnect
Factory wiring connects load-side
of TB to line-side terminals on FU1-2.
This wiring not illistrated for simplicity
in the figure.
Fig. AZ — AC- Single Point Box CRSINGLE065A00 and 068A00,071A00 (AC-1, Sizes 08-16; AC-2,
APPENDIX D — ELECTRICAL HEATER DATA (cont)
AC-1 AC-2 COOLING APPLICATIONS- HSCCR ONLY
Unit Comntrol Box
AC-1, AC-2
TB
L1
L2
L3
FU1
FU1
Sizes 07-14;HP-1 Sizes 09-16; HP-2 Sizes 07-12)
L 2 L 3
L 1
BLK YEL BLU
BLK
YEL
BLU
BLK
YEL
BLU
79
Heater Wires
Heater
111A, 111B
128B
CIR 1
129B
295A
318A
377A
CIR 2
294A
370A
OR
Heater
110A
or
117A
Heater
117A

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